Home / 99,545,849.30-149,319,246.56-30,458,542.89

Finding the Fourth Proportional to 99,545,849.30, 149,319,246.56 and 30,458,542.89

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Solution

The fourth proportional to 99,545,849.30, 149,319,246.56 and 30,458,542.89 is: 45,687,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,545,849.30 : 149,319,246.56 = 30,458,542.89 : x
  2. Step 2: Convert to fraction form
    99,545,849.30/149,319,246.56 = 30,458,542.89/x
  3. Step 3: Cross multiply
    99,545,849.30x = 149,319,246.56 × 30,458,542.89
  4. Step 4: Simplify right side
    99,545,849.30x = 4,548,046,676,057,900
  5. Step 5: Solve for x
    x = 4,548,046,676,057,900/99,545,849.30
  6. Step 6: Final answer
    x = 45,687,958.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.